Light-emitting diode



FIG. 1 is a perspective view of an “light-emitting diode” showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof. 

The ornamental design for a “light-emitting diode,” as shown and described. 